<template>
<div>
<!--  面包屑导航区-->
  <el-breadcrumb separator-class="el-icon-arrow-right">
    <el-breadcrumb-item :to="{ path: '/goods' }">首页</el-breadcrumb-item>
    <el-breadcrumb-item><a href="/">商品管理</a></el-breadcrumb-item>
    <el-breadcrumb-item>商品列表</el-breadcrumb-item>

  </el-breadcrumb>
<!--  卡片视图区域-->
  <el-card>
    <el-row :gutter="20">
      <el-col :span="9">
        <el-input v-model="queryInfo.query" placeholder="请输入内容"   clearable @clear="getGoodsList" >

          <el-button slot="append" icon="el-icon-search"  @click="getGoodsList" ></el-button>
        </el-input>
      </el-col>
      <el-col :span="4">
        <el-button type="primary" @click="goAddpage" >添加商品</el-button>
      </el-col>
    </el-row>

<!--    渲染商品列表的table表格-->
    <el-table :data="goodsList" border stripe>
        <el-table-column type="index"></el-table-column>
      <el-table-column label="商品名称" prop="goods_name"></el-table-column>
      <el-table-column label="商品价格（元）" prop="goods_price" width="95px"></el-table-column>    <el-table-column label="商品重量" prop="goods_weight" width="70px"></el-table-column>

      <el-table-column label="创建时间" prop="add_time" width="140px">
        <template slot-scope="scope">
          {{scope.row.add_time | dataFormat }}
        </template>
      </el-table-column>

      <el-table-column label="操作" width="130px">
        <template slot-scope="scope">
          <el-button type="primary" icon="el-icon-edit" size="mini"></el-button>
          <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeById(scope.row.goods_id)"></el-button>
        </template>
      </el-table-column>
    </el-table>
<!--    分页区-->
    <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[5, 10, 15, 20]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total" background>
    </el-pagination>

<!--    -->
  </el-card>
</div>
</template>

<script>
export default {
  data(){
      return{
        //查询参数对象
        queryInfo:{
          query:'',
          pagenum:1,
          pagesize:10
        },
        //保存的商品列表数组
        goodsList: [],
        //总数据条数
        total:0,
        //控制添加商品对话框的显隐
        addGoodsDialogVisible:false
      }
  },
  created() {
    this.getGoodsList()
  },
  methods:{
   async getGoodsList(){
     const {data:res} = await this.$http.get('goods',{
        params:this.queryInfo
      })
     if(res.meta.status !== 200){
       this.$message.error('获取错误')
     }
     this.goodsList =res.data.goods
     this.total = res.data.total
     this.$message.success('成功')
     console.log(res.data);
   },
    //只要pagesize发生变化，就会调用下面的函数
    handleSizeChange(newSize){
        this.queryInfo.pagesize = newSize
        this.getGoodsList()
    },
    handleCurrentChange(newPage){
      this.queryInfo.pagenum =newPage
      this.getGoodsList()
    },
   async removeById(id){
        const confirmResult = await this.$confirm('此操作将永久删除该文件, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).catch(err => err)
      if(confirmResult !== 'confirm'){
        return  this.$message.info('用户选择了取消')
      }
      const {data:res} = await  this.$http.delete(`goods/${id}`)
     if(res.meta.status !== 200 ){
      return  this.$message.error('获取错误')
     }
      this.$message.success('用户删除成功')
     this.getGoodsList()
  },
    goAddpage(){
     this.$router.push('/goods/add')
    },
  },
}
</script>

<style scoped>

</style>
